%corregir problemas de URL do pacote harvard
\renewcommand{\harvardurl}{URL: \url} 

% Espacos H2, Hoo, L2, Loo
\newcommand\Hi{{\mathcal{H}}_{\infty}}
\newcommand\Hd{{\mathcal{H}}_{2}}
\newcommand\Li{{\mathcal{L}}_{\infty}}
\newcommand\Ld{{\mathcal{L}}_{2}}

\def\reais{{\rm I\kern-.17em R}} % R de reais
\def\Dest{{\rm I\kern-.17em D}} % R de reais
\newcommand{\Dgest}{\ensuremath{\mathcal{D}}}
\newcommand{\naturais}{\mathbb{N}}
\newcommand{\inteiros}{\mathbb{Z}_{+}}
\newcommand{\matlab}{{\sc Matlab}}

%super parenteses
\makeatletter
\def\Biggg#1{{\hbox{$\left#1\vbox to29\p@{}\right.\n@space$}}}
\newdimen\bracketwidth
\settowidth{\bracketwidth}{\Biggg(} \makeatother


%\newcommand{\carinha}{\raisebox{-.2ex}{\epsfxsize 3mm \epsffile{cara.eps}}}

% Bolds
\newcommand{\I}{{\bf I}}
\newcommand{\Z}{{\bf 0}}
\newcommand{\Bfres}{\mathcal{B}}

% funcoes
\newcommand{\Tr}{\mbox{Tr}}

% Referencia com parenteses
\newcommand{\bref}[1]{\mbox{(\ref{#1})}}

% Ambiente de equacoes
\newcommand\be{\begin{equation}}
\newcommand\ee{\end{equation}}
\newcommand\vi{\vspace{\baselineskip}}

% newtheorems e similares

\newtheorem{teorema}{\noindent{\bf Teorema} }[chapter]
\newtheorem{lema}{\noindent{\bf Lema} }[chapter]
\newtheorem{corolario}{\noindent{\bf Corol�rio} }[chapter]
\newenvironment{prova}{\noindent{\bf Prova:}}{\null\hfill $\rule{1.5mm}{1.5mm}$}
\newtheorem{definicao}{\noindent{\bf Defini��o} }[chapter]

\newcommand{\simplex}{\Delta_N}



\newcommand{\Aal}{A(\alpha)}
\newcommand{\Bal}{B(\alpha)}
\newcommand{\Cal}{C(\alpha)}
\newcommand{\Dal}{D(\alpha)}


\newcommand{\Pal}{P(\alpha)}
\newcommand{\Gal}{G(\alpha)}
\newcommand{\Hal}{H(\alpha)}
\newcommand{\Qal}{Q(\alpha)}
\newcommand{\Xal}{X(\alpha)}
\newcommand{\Xual}{X_1(\alpha)}
\newcommand{\Xdal}{X_2(\alpha)}

\newcommand{\Sfr}{\mathcal{S}}

\newcommand{\Xfal}{\mathcal{X}(\alpha)}
\newcommand{\Bfal}{\mathcal{B}(\alpha)}
\newcommand{\Qfal}{\mathcal{Q}(\alpha)}
\newcommand{\Sfal}{\mathcal{S}(\alpha)}

\newcommand{\Kfr}{\mathcal{K}}
\newcommand{\Ifr}{\mathcal{I}}
\newcommand{\Afr}{\mathcal{A}}
\newcommand{\Pfr}{\mathcal{P}}
\newcommand{\Cfr}{\mathcal{C}}
\newcommand{\Gfr}{\mathcal{G}}
